Individual Calculations September 2009
 Kudryavtsev, Vadim  Total change: 0.00  Rating chartPersonal card
 Southern California Championship Candidates Garden Grove, California USA 2009-06-20
RcRownchangeKK*chgGame
 2215 2165 0.50 3 -0.80 15 -12.00 
  Casella, Michael f2284 USA0.5010.16152.40 
  Porter, Ryan W f2284 USA0.001-0.3415-5.10 
  Yee, Michael 2078 USA0.001-0.6215-9.30 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 37th Annual World Open - Under 2400 Section Philadelphia, Pennsylvania USA 2009-06-29
RcRownchangeKK*chgGame
 2263 2165 2.50 6 0.29 15 4.35 
  Rogers, Norman f2240 USA0.5010.10151.50 
  Markzon, Gregory f2203 USA1.0010.55158.25 
  Boor, Carl B f2291 USA0.5010.17152.55 
  Zierk, Steven C 2296 USA0.5010.18152.70 
  Adamson, Robby f2302 USA0.001-0.3215-4.80 
  Acor, Corey 2248 USA0.001-0.3915-5.85 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 14th Annual Pacific Coast Open Agoura Hills, California USA 2009-07-16
RcRownchangeKK*chgGame
 2263 2147 2.00 4 0.55 15 8.25 
  Matikozyan, Andran m2478 ARM0.001-0.1215-1.80 
  Formanek, Edward W m2260 USA0.001-0.3515-5.25 
  Hirales, Juan N 2091 MEX1.0010.42156.30 
  Hermansen, Ron 2222 USA1.0010.60159.00 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 2009 Central California Open Fresno, California USA 2009-08-21
RcRownchangeKK*chgGame
 2116 2147 0.50 1 -0.04 15 -0.60 
  Fuentes, Romulo C 2116 USA0.501-0.0415-0.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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